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  5. Proof-of-principle experiment for laser-driven cold neutron source
 
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Proof-of-principle experiment for laser-driven cold neutron source
File(s)
s41598-020-77086-y.pdf (3.18 MB)
Published version
Author(s)
Mirfayzi, SR
Yogo, A
Lan, Z
Ishimoto, T
Iwamoto, A
more
Type
Journal Article
Abstract
The scientific and technical advances continue to support novel discoveries by allowing scientists to acquire new insights into the structure and properties of matter using new tools and sources. Notably, neutrons are among the most valuable sources in providing such a capability. At the Institute of Laser Engineering, Osaka, the first steps are taken towards the development of a table-top laser-driven neutron source, capable of producing a wide range of energies with high brightness and temporal resolution. By employing a pure hydrogen moderator, maintained at cryogenic temperature, a cold neutron ($$\le 25\hbox { meV}$$≤25meV) flux of $$\sim 2\times 10^3\hbox { n/cm}^2$$∼2×103n/cm2/pulse was measured at the proximity of the moderator exit surface. The beam duration of hundreds of ns to tens of $$\upmu \hbox {s}$$μsis evaluated for neutron energies ranging from 100s keV down to meV via Monte-Carlo techniques. Presently, with the upcoming J-EPoCH high repetition rate laser at Osaka University, a cold neutron flux in orders of $$\sim 1\times 10^{9}\hbox { n/cm}^2/\hbox {s}$$∼1×109n/cm2/sis expected to be delivered at the moderator in a compact beamline.
Date Issued
2020-11-19
Date Acceptance
2020-10-27
Citation
Scientific Reports, 2020, 10 (1), pp.20157-20157
URI
http://hdl.handle.net/10044/1/84253
URL
https://www.nature.com/articles/s41598-020-77086-y
DOI
https://www.dx.doi.org/10.1038/s41598-020-77086-y
ISSN
2045-2322
Publisher
Springer
Start Page
20157
End Page
20157
Journal / Book Title
Scientific Reports
Volume
10
Issue
1
Copyright Statement
© The Author(s) 2020. Tis article is licensed under a Creative Commons Attribution 4.0 International
License, which permits use, sharing, adaptation, distribution and reproduction in any medium or
format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the
Creative Commons licence, and indicate if changes were made. Te images or other third party material in this
article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the
material. If material is not included in the article’s Creative Commons licence and your intended use is not
permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from
the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
License URL
http://creativecommons.org/licenses/by/4.0/
Identifier
https://doi.org/10.1038/s41598-020-77086-y
Notes
The scientific and technical advances continue to support novel discoveries by allowing scientists to acquire new insights into the structure and properties of matter using new tools and sources. Notably, neutrons are among the most valuable sources in providing such a capability. At the Institute of Laser Engineering, Osaka, the first steps are taken towards the development of a table-top laser-driven neutron source, capable of producing a wide range of energies with high brightness and temporal resolution. By employing a pure hydrogen moderator, maintained at cryogenic temperature, a cold neutron ($$\le 25\hbox { meV}$$≤25meV) flux of $$\sim 2\times 10^3\hbox { n/cm}^2$$∼2×103n/cm2/pulse was measured at the proximity of the moderator exit surface. The beam duration of hundreds of ns to tens of $$\upmu \hbox {s}$$μsis evaluated for neutron energies ranging from 100s keV down to meV via Monte-Carlo techniques. Presently, with the upcoming J-EPoCH high repetition rate laser at Osaka University, a cold neutron flux in orders of $$\sim 1\times 10^{9}\hbox { n/cm}^2/\hbox {s}$$∼1×109n/cm2/sis expected to be delivered at the moderator in a compact beamline.
Publication Status
Published
Date Publish Online
2020-11-19
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